def testWriteByte(self):
data = Marshal.AllocHGlobal(1)
CPyMarshal.WriteByte(data, 0)
self.assertEquals(Marshal.ReadByte(data), 0, "wrong")
CPyMarshal.WriteByte(data, 255)
self.assertEquals(Marshal.ReadByte(data), 255, "wrong")
Marshal.FreeHGlobal(data)
def assertStringObjectHasLength(self, strPtr, length):
stringObject = Marshal.PtrToStructure(strPtr, PyStringObject)
self.assertEquals(stringObject.ob_refcnt, 1, "unexpected refcount")
self.assertEquals(stringObject.ob_size, length, "unexpected ob_size")
self.assertEquals(stringObject.ob_shash, -1,
"unexpected currently-useless-field")
self.assertEquals(stringObject.ob_sstate, 0,
"unexpected currently-useless-field")
strDataPtr = self.dataPtrFromStrPtr(strPtr)
terminatorPtr = OffsetPtr(strDataPtr, length)
self.assertEquals(Marshal.ReadByte(terminatorPtr), 0,
"string not terminated")
def testIC_PyFile_AsFile(self, mapper, addToCleanUp, stderr_writes):
buflen = len(TEST_TEXT) + 10
buf = Marshal.AllocHGlobal(buflen)
filePtr = mapper.Store(open(*READ_ARGS))
f = mapper.IC_PyFile_AsFile(filePtr)
self.assertEquals(stderr_writes, [('Warning: creating unmanaged FILE* from managed stream. Please use ironclad.open with this extension.',), ('\n',)])
self.assertEquals(Unmanaged.fread(buf, 1, buflen, f), len(TEST_TEXT), "didn't get a real FILE")
ptr = buf
for c in TEST_TEXT:
self.assertEquals(Marshal.ReadByte(ptr), ord(c), "got bad data from FILE")
ptr = OffsetPtr(ptr, 1)
Marshal.FreeHGlobal(buf)